Patents by Inventor Yu-Jin WOO

Yu-Jin WOO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230340185
    Abstract: The present specification relates to a polymer including a unit represented by Chemical Formula 1, a coating composition including the same, and an organic light emitting device formed using the same.
    Type: Application
    Filed: August 17, 2021
    Publication date: October 26, 2023
    Applicant: LG Chem, Ltd
    Inventors: Juhwan Kim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Sejin Jung, Ji Hoon Kim, Dongyoon Khim
  • Patent number: 11773253
    Abstract: Provided is an encapsulating composition and an organic electronic device comprising the same. The encapsulating composition can effectively block moisture or oxygen from being introduced into an organic electronic device from the outside. The encapsulating composition can secure the lifetime of the organic electronic device, make it possible to realize a top emission type organic electronic device, is applicable to an inkjet method and can provide a thin display.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: October 3, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
  • Publication number: 20230140039
    Abstract: The present disclosure provides a polymer compound and an organic light emitting device including e same, wherein the polymer comprising a repeating unit represented by the following Chemical Formula 1: wherein L, R1 to R5, and * are described herein.
    Type: Application
    Filed: March 16, 2021
    Publication date: May 4, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Kim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Sungkyoung Kang, Min Suk Jung
  • Patent number: 11638382
    Abstract: The present application relates to a method for preparing an organic electronic device, and the organic electronic device prepared by the same, the method for preparing an organic electronic device can improve flatness and adhesion of an organic layer in a process of sealing an organic electronic element to effectively block moisture or oxygen from the outside, thereby securing the lifetime of the organic electronic device.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: April 25, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Patent number: 11572346
    Abstract: The present specification relates to a compound, a coating composition including the same, and an organic light emitting device.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: February 7, 2023
    Inventors: Kwanghyun Kim, Youngju Park, Sungkyoung Kang, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Daeho Kim, Byungjae Kim
  • Patent number: 11545645
    Abstract: Provided is a method for preparing an organic electronic device, comprising steps of: applying an ink composition on a substrate, on which an organic electronic element is formed; applying heat thereto before curing the applied ink composition; and curing the applied ink composition by irradiating with light having a wavelength in a range of 300 nm to 450 nm. Also provided is an organic electronic device, comprising a substrate, an organic electronic element formed on the substrate, and an organic layer sealing the entire surface of the organic electronic element, wherein after the organic layer is maintained at 110° C. for 30 minutes, the out-gas amount measured using Purge & Trap-gas chromatography/mass spectrometry is less than 150 ppm.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: January 3, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
  • Publication number: 20220255006
    Abstract: The present specification provides a compound of Chemical Formula 1, a coating composition including the same, and an organic light emitting device using the same.
    Type: Application
    Filed: July 16, 2020
    Publication date: August 11, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Yongwook Kim, Leehyeon Baek, Jumin Lee
  • Patent number: 11248142
    Abstract: The present application relates to an encapsulating composition and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method and can provide a thin display.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: February 15, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Mi Lim Yu, Joon Hyung Kim, Yu Jin Woo, Kook Hyun Choi
  • Patent number: 11214699
    Abstract: The present application relates to an ink composition comprising a glycidyl ether compound and a method for forming an organic layer using the same, and provides an ink composition capable of forming an organic layer and adjusting haze in a curing process for an intended use, and a method of forming an organic layer using the same.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: January 4, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Patent number: 11171309
    Abstract: The present application relates to an encapsulating composition and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method and can provide a thin display.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 9, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
  • Publication number: 20210198502
    Abstract: The present application relates to an ink composition comprising a glycidyl ether compound and a method for forming an organic layer using the same, and provides an ink composition capable of forming an organic layer and adjusting haze in a curing process for an intended use, and a method of forming an organic layer using the same.
    Type: Application
    Filed: October 19, 2018
    Publication date: July 1, 2021
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Patent number: 11041089
    Abstract: The present application relates to an encapsulating composition, a method for preparing the same and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method, can provide a thin display and can control moisture content to prevent damage to the element.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: June 22, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
  • Patent number: 11024827
    Abstract: Provided is an organic electronic device and a method for manufacturing the same. The organic electronic device can effectively block moisture or oxygen from being introduced from the outside into the organic electronic device. The organic electronic device can secure the lifetime of an organic electronic element and has excellent durability while being applicable to a flexible device.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: June 1, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Mi Lim Yu, Joon Hyung Kim, Yu Jin Woo, Kook Hyun Choi
  • Publication number: 20210147358
    Abstract: The present specification relates to a compound, a coating composition including the same, and an organic light emitting device.
    Type: Application
    Filed: May 23, 2019
    Publication date: May 20, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Kwanghyun Kim, Youngju Park, Sungkyoung Kang, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Daeho Kim, Byungjae Kim
  • Patent number: 10913874
    Abstract: The present application relates to an encapsulating composition, an organic electronic device, a method for evaluating reliability of the organic electronic device and a method for preparing the organic electronic device, and provides an encapsulating composition which can improve flatness and adhesion of an organic layer sealing an organic electronic element to effectively block moisture or oxygen introduced into an organic electronic device from the outside, thereby securing the lifetime of the organic electronic device.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: February 9, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Publication number: 20210028394
    Abstract: Provided is a method for preparing an organic electronic device, comprising steps of: applying an ink composition on a substrate, on which an organic electronic element is formed; applying heat thereto before curing the applied ink composition; and curing the applied ink composition by irradiating with light having a wavelength in a range of 300 nm to 450 nm. Also provided is an organic electronic device, comprising a substrate, an organic electronic element formed on the substrate, and an organic layer sealing the entire surface of the organic electronic element, wherein after the organic layer is maintained at 110° C. for 30 minutes, the out-gas amount measured using Purge & Trap-gas chromatography/mass spectrometry is less than 150 ppm.
    Type: Application
    Filed: August 31, 2018
    Publication date: January 28, 2021
    Inventors: Yu Jin WOO, Joon Hyung KIM, Kook Hyun CHOI, Mi Lim YU
  • Patent number: 10851232
    Abstract: The present application relates to an encapsulating composition and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method, can provide a thin display and has excellent adhesion reliability.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: December 1, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Publication number: 20200280022
    Abstract: A method for encapsulating an organic electronic element and an organic electronic device is provided. The method for encapsulating the organic electronic element is capable of effectively blocking moisture or oxygen introduced from the outside to an organic electronic device, is excellent in flatness of an encapsulating layer to have excellent endurance reliability, and increases efficiency of an encapsulating process.
    Type: Application
    Filed: October 1, 2018
    Publication date: September 3, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Kook Hyun Choi, Joon Hyung Kim, Yu Jin Woo, Mi Lim Yu
  • Patent number: 10642108
    Abstract: This invention relates to a polymer-dispersed liquid crystal device, including a substrate layer; a neutralized first electrode layer formed on the substrate layer; a polymer-dispersed liquid crystal layer formed on the first electrode layer; a neutralized second electrode layer formed on the polymer-dispersed liquid crystal layer; and a substrate layer formed on the second electrode layer, and to a method of manufacturing the same.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: May 5, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yu-Jin Woo, Mi-Kyoung Kim, Jung-Sun You
  • Publication number: 20200095455
    Abstract: The present application relates to an encapsulating composition and an organic electronic device comprising the same, and provides an encapsulating composition which can effectively block moisture or oxygen introduced into an organic electronic device from the outside to secure the lifetime of the organic electronic device, is possible to realize a top emission type organic electronic device, is applicable to an inkjet method and can maintain reliability of a sealing structure under severe conditions such as high temperature and high humidity while providing a thin display, and an organic electronic device comprising the same.
    Type: Application
    Filed: December 11, 2017
    Publication date: March 26, 2020
    Inventors: Mi Lim YU, Joon Hyung KIM, Yu Jin WOO, Kook Hyun CHOI